An era when adventure and discovery weren't confined to the geographical, but intellectual and spiritual horizons were also about to expand—

Joseph, a jeweler, was searching for a husband for his only daughter, Sophie.

After rejecting 23 suitors who were only after his wealth, the 24th to arrive was Allan, the heir to Duke Rohan.

Joseph assumed that as the legitimate son of a ducal house, he wouldn't be after money, but Allan bluntly blurted out his very first words: "Please support me!" This left Joseph utterly dumbfounded.

Allan's passion was mathematics, and he wanted to relinquish his family inheritance to his younger brother to devote himself entirely to academics.

Joseph, skeptical and thinking there must be countless other ways to find a patron for his research, such as remaining with his own family, and Sophie, secretly fond of mathematics and highly intrigued, listened as Allan began to explain his reasons for wanting to marry into a jeweler's family...